New Delhi: About 15 kg of gold, valued about Rs 4 crore, has been seized by the Customs department from passengers who were trying to smuggle them in at the Delhi airport, Customs officials said on Thursday.

On January 4, a passenger from Dubai was caught by the Customs officials with 2 gold bars weighing 2 kg following intelligence inputs.

The same night, the officials also caught a passenger coming in from Bangkok with 9 gold bars weighing one kg each.

Similarly, a passenger coming in from Dubai was arrested yesterday as he tried to smuggle in 810 gms of gold concealed in his trolley.

Another passenger coming in from Kolkata was held and 1575 gms were seized. The passenger had taken the gold from the toilet of an aircraft which had come from Dubai.

Six gold bars, weighing 100 gms each, was also recovered from a passenger who had hidden it in an iron, Customs officials said.